Ceres

E21423

Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.

All labels observed (4)

Label Occurrences
Ceres canonical 13
1 Ceres 2
dwarf planet Ceres 2

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf asteroid belt object
celestial body
dwarf planet
minor planet
protoplanet
albedo about 0.09
axialTilt about 4 degrees
belongsTo Solar System
brightSpotsComposition sodium carbonate
catalogDesignation 1 Ceres
linked to: Ceres
composition ice
rock
currentClassification dwarf planet
density about 2.16 g/cm³
diameter about 946 kilometers
discoveredBy Giuseppe Piazzi
discoveryDate 1801-01-01
discoverySite Palermo Astronomical Observatory
dwarfPlanetDesignationDate 2006-08-24
equilibriumTemperature about 168 K
escapeVelocity about 0.51 km/s
exploredByAgency NASA
firstSpacecraftArrivalDate 2015-03-06
hasBrightSpots yes
hasExosphere yes
hasNoMoons true
isLargestObjectIn asteroid belt
laterClassification asteroid
locatedBetween Jupiter
Mars
locatedIn asteroid belt
mass about 9.4×10^20 kilograms
meanRadius about 473 kilometers
namedAfter Roman goddess Ceres
orbitalPeriod about 4.6 Earth years
orbits Sun
originalClassification planet
possibleSubsurfaceOcean hypothesized
rotationPeriod about 9.07 hours
semiMajorAxis about 2.77 astronomical units
surface cratered
surfaceFeature Ahuna Mons
Occator Crater
surfaceGravity about 0.27 m/s²
surfaceTemperatureRange about 130 K to 235 K
visitedBy Dawn spacecraft
linked to: Dawn mission
waterContent significant

How these facts were elicited

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

Demeter romanEquivalent Ceres
Ceres catalogDesignation 1 Ceres
linked to: Ceres
Dawn primaryTarget 1 Ceres
subject linked to: Dawn mission
linked to: Ceres
Dawn studied dwarf planet Ceres
subject linked to: Dawn mission
linked to: Ceres
Dawn enteredOrbitAround Ceres
subject linked to: Dawn mission
Pluto sibling Ceres
Vesta sibling Ceres
Ceres, California namedAfter Ceres (dwarf planet)
subject linked to: Ceres
linked to: Ceres
Occator Crater locatedOn Ceres
Ahuna Mons locatedIn Ceres
Ceres namesakeOf dwarf planet Ceres
linked to: Ceres
Pluto sibling Ceres